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| Section | Objectives |
|---|---|
| Cluster Administration | - Resource management
|
| Storage and Persistence | - Persistent storage configuration
|
| Security and Troubleshooting | - Troubleshooting
|
| Networking and Ingress | - Cluster networking
|
| OpenShift Cluster Installation and Configuration | - Cluster setup and installation verification
|
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NEW QUESTION # 18
Configure a service account
Configure a service account in the apples project to meet the following requirements:
The name of the account is ex280sa
The account allows pods to be run as any available user
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
Solution:
$ oc project apples
$ oc create sa ex280sa
$ oc adm policy add-scc-to-user anyuid -z ex280sa
NEW QUESTION # 19
Configure a secure route
Configure the oxcart application in the area51 project with the following requirements:
The application uses a route called oxcart
The application uses a CA signed certificate with the following subject fields:
/C=US/ST=NV/L=Hiko/O=CIA/OU=USAF/CN=classified.apps.domainxx.example.com The application is reachable only at the following address: https://classified.apps.domainxx.example.com The application produces output A utility script called newcert has been provided to create the CA signed certificate. You may enter the certificate parameters manually or pass the subject as a parameter.
Your certificate signing request will be uploaded to the CA where it will immediately be signed and then downloaded to your current directory.
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
Solution:
$ oc project area51
$ oc get pods
$ oc get all | grep deployment
$ oc get route
$ oc delete route oxcart
$ openssl genrsa -out ex280.key 2048
$ openssl req -new -key ex280.key -out ex280.csr -subj "/C=US/ST=NV/L=Hiko/O=CIA/OU=USAF
/CN=classified.apps.domainxx.example.com"
$ openssl x509 -req -in ex280.csr -signkey ex280.key -out ex280.crt
$ oc create route edge oxcart --service oxcart --key ex280.key --cert ex280.crt --hostname classified.apps.
domainxx.example.com
$ oc get route
$ oc get svc
NEW QUESTION # 20
Create Network Policy
Task information Details:
Create a NetworkPolicy named mysql-db-conn that permits ingress to database pods only from pods matching the specified labels in namespaces labeled team=devsecops , on TCP port 3306 .
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
Solution:
* Create a file named mysql-db-conn.yaml:
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
name: mysql-db-conn
spec:
podSelector:
matchLabels:
networking.k8s.io/v1/network: database
policyTypes:
- Ingress
ingress:
- from:
- namespaceSelector:
matchLabels:
team: devsecops
podSelector:
matchLabels:
deployment: my-web-mysql
ports:
- protocol: TCP
port: 3306
* Apply it:
oc apply -f mysql-db-conn.yaml
* Verify:
oc get networkpolicy
oc describe networkpolicy mysql-db-conn
This task tests namespace/pod label selection and application isolation using OpenShift networking policy controls.
NEW QUESTION # 21
Scale Application Manually
Task information Details:
Scale the httpd deployment to 5 replicas .
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
Solution:
* Scale the deployment:
oc scale deployment httpd --replicas=5
* Verify:
oc get deployment httpd
oc get pods -l app=httpd
* Confirm the desired, current, and available replica counts match.
This task checks direct workload scaling using the OpenShift CLI.
NEW QUESTION # 22
Deploy an application
Deploy the application called rocky in the bullwinkle project so that the following conditions are true:
The
application is reachable at the following address: http://rocky.apps.domainXX.example.com The application produces output
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
Solution:
$ oc project bullwinkle
$ oc get pods
$ oc get all | grep deploy
$ oc get nodes
$ oc describe nodes | grep -i taint
$ oc adm taint nodes worker0 key1=value1:NoSchedule-
$ oc adm taint nodes worker1 key1=value1:NoSchedule-
$ oc describe nodes | grep -i taint
$ oc get route
$ oc delete route rocky
$ oc expose svc rocky --hostname rocky.apps.domainxx.example.com
$ oc get route
NEW QUESTION # 23
......
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